yeah its a nitro ofcourse, yeah the thing is when i do pull back it cuts out most of the time, also say i pull back and the tires stop the clutch/flywheel etc is still spinning and jingling abit, im not 2 good at adjusting it coz ive tried for like 1hour 2day and i still havent got it rite what should i do, mite take it to a hobby shop not sure